Home / 4,666.97-6,438.26-2,987.54

Finding the Fourth Proportional to 4,666.97, 6,438.26 and 2,987.54

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Solution

The fourth proportional to 4,666.97, 6,438.26 and 2,987.54 is: 4,121.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,666.97 : 6,438.26 = 2,987.54 : x
  2. Step 2: Convert to fraction form
    4,666.97/6,438.26 = 2,987.54/x
  3. Step 3: Cross multiply
    4,666.97x = 6,438.26 × 2,987.54
  4. Step 4: Simplify right side
    4,666.97x = 19,234,512.15
  5. Step 5: Solve for x
    x = 19,234,512.15/4,666.97
  6. Step 6: Final answer
    x = 4,121.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.